Universal Water Controllers; About The Universal Water Controller (Mc-91Q); Turning On The Water Controller; Adjusting Temperature - Rinnai NFINITY 32 Operation & Installation Manual

UNIVERSAL WATER CONTROLLERS

ABOUT THE UNIVERSAL WATER CONTROLLER (MC-91Q)

W AT E R H E AT E R
'In U se' IN D IC AT O R
Indicates that a water heater is in
operation and deliverin g hot
water.
D IG I TA L M O N I T O R
I n d i c a t es t h e t e m p e r a t u r e
selected. Error message flash in
event of a fault.
T E M P E R AT U R E
C O N T R O L B U T T O N S
Used to select water temperature.
C O N T R O L L E R
O N IN D IC AT O R
Indicates if this temperatur e
controller is in control of water
delivery temperature.

TURNING ON THE WATER CONTROLLER

If the water controller is switched off (No digits displayed in the
digital monitor window) press the On/Off button once.
The ON indicator will illuminate, indicating that the hot water unit
will be ready to supply hot water once a hot water tap is opened.

ADJUSTING TEMPERATURE

Select the desired temperature using the 'Hot water temp'
buttons until the required temperature is displayed on the
digital monitor.
To operate the hot water unit, open any hot water tap. This will
automatically light the burner providing hot water. The water
heater 'In Use' indicator will illuminate on the water controller.
Once the hot water is running, if the set temperature is either too
hot or cold press the 'Hot water temp'
desired temperature is reached.
CHECK WATER TEMPERATURE BEFORE USE.
A parent or carer should always check the temperature before a child is placed
CAUTION in contact with hot water, see page 5.
Whilst hot water outlets are open the set temperature may be lowered. However
they cannot then be raised above 43°C. In addition, transfer of 'priority' between
NOTE
controllers is not possible. These are safety features.
The 'beep' sound can be muted by pressing the 'Hot water temp' Up
Down
Rinnai
WARNING
Check the 'ON indicator' light is lit before turning on the tap.
Please read the 'Operation/Installation' Manual carefully to
ensure safe and correct operation.
or
buttons simultaneously for more than 3 seconds.
P R E H E AT IN D IC AT O R
Indicates that the Smartstart®
p r e h e a t e r ( w h e n f i t t e d ) i s
activated.
Used to start and stop the
Smartstart® preheat unit (when
fitted), See Smartstart® Operation
on page 16.
T R A N S F E R B U T T O N
Used to transfer control priority
b e t w e e n t h e t e m p e r a t u r e
controllers. The controller with
priority has command of the hot
water delivery temperature.
Used to switch the water heater
on and off.
or
buttons until the
8
P R E H E AT B U T T O N
O N /O F F B U T T O N
ON! ON!
COLD COLD
HOT HOT
and
Operation Manual